Method stats

src/HBaseClient.java:728–774

Returns a snapshot of usage statistics for this client. @since 1.3

()

   * @since 1.3
   */
  public ClientStats stats() {
    final LoadingCache<BufferedIncrement, BufferedIncrement.Amount> cache =
      increment_buffer;
    
    long inflight_rpcs = 0;
    long pending_rpcs = 0;
    long pending_batched_rpcs = 0;
    int dead_region_clients = 0;
    
    final Collection<RegionClient> region_clients = client2regions.keySet();
    
    for (final RegionClient rc : region_clients) {
      final RegionClientStats stats = rc.stats();
      inflight_rpcs += stats.inflightRPCs();
      pending_rpcs += stats.pendingRPCs();
      pending_batched_rpcs += stats.pendingBatchedRPCs();
      if (stats.isDead()) {
        dead_region_clients++;
      }
    }
    
    return new ClientStats(
      num_connections_created.get(),
      root_lookups.get(),
      meta_lookups_with_permit.get(),
      meta_lookups_wo_permit.get(),
      num_flushes.get(),
      num_nsres.get(),
      num_nsre_rpcs.get(),
      num_multi_rpcs.get(),
      num_gets.get(),
      num_scanners_opened.get(),
      num_scans.get(),
      num_puts.get(),
      num_appends.get(),
      num_row_locks.get(),
      num_deletes.get(),
      num_atomic_increments.get(),
      cache != null ? cache.stats() : BufferedIncrement.ZERO_STATS,
      inflight_rpcs,
      pending_rpcs,
      pending_batched_rpcs,
      dead_region_clients,
      region_clients.size(),
      idle_connections_closed.get()
    );
  }

  /**
   * Returns a list of region client stats objects for debugging.